Home / 206,729-445,128

Finding the Third Proportional to 206,729 and 445,128

Calculator

Solution

The third proportional to 206,729 and 445,128 is: 958,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,729 : 445,128 = 445,128 : x
  2. Step 2: Convert to fraction form
    206,729/445,128 = 445,128/x
  3. Step 3: Cross multiply
    206,729x = 445,128 × 445,128
  4. Step 4: Simplify right side
    206,729x = 198,138,936,384
  5. Step 5: Solve for x
    x = 198,138,936,384/206,729
  6. Step 6: Final answer
    x = 958,447.71

Related Problems

Find third proportional to 103,364.50 and 222,564
Half scale
Find third proportional to 413,458 and 890,256
Double scale
Find third proportional to 206,731 and 445,132
Similar ratio
Find third proportional to 310,093.50 and 667,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.